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  <title>Writes this file to the filesystem</title>

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 <div class="refnamediv">
  <h1 class="refname">MongoGridFSFile::write</h1>
  <p class="verinfo">(PECL mongo &gt;=0.9.0)</p><p class="refpurpose"><span class="refname">MongoGridFSFile::write</span> &mdash; <span class="dc-title">Writes this file to the filesystem</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-mongogridfsfile.write-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type">int</span> <span class="methodname"><strong>MongoGridFSFile::write</strong></span>
    ([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$filename</code><span class="initializer"> = <strong><code>NULL</code></strong></span></span>
  ] )</div>

 </div>

 <div class="refsect1 parameters" id="refsect1-mongogridfsfile.write-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>

      <em><code class="parameter">filename</code></em>
     </dt>

     <dd>

      <p class="para">
       The location to which to write the file.  If none is given,
       the stored filename will be used.
      </p>
     </dd>

       
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-mongogridfsfile.write-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the number of bytes written.
  </p>
 </div>

 
 <div class="refsect1 examples" id="refsect1-mongogridfsfile.write-examples">
  <h3 class="title">范例</h3>
  <div class="example" id="example-1480">
   <p><strong>Example #1 <span class="methodname"><strong>MongoGridFSFile::write()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$images&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$db</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">my_db</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getGridFS</span><span style="color: #007700">(</span><span style="color: #DD0000">'images'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$image&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$images</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">findOne</span><span style="color: #007700">(</span><span style="color: #DD0000">'jwage.png'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$image</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">write</span><span style="color: #007700">(</span><span style="color: #DD0000">'/path/to/write/jwage.png'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
   </div>

  </div>
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